Characterization Engineer - RF & Automated Test

TrellisWare Technologies; San Diego (CA); On-site; USD 105,000 - 165,000; Full time

Job summary

TrellisWare Technologies, located in San Diego, CA, seeks a Characterization Engineer to design and implement test solutions validating radio hardware before release to production. You will code automation, test digital/analog/RF circuits, analyze results, and collaborate with the design team to improve testability and yield.

The role requires proficiency in Windows/Linux, Python/C/C++, and experience with embedded Linux; knowledge of RF systems and test equipment is essential.

Qualifications

• Proficiency with Windows and Linux operating systems.
• Experience writing code in Python/C/C++ or common scripting languages to control test and measurement equipment, implement algorithms and process data.
• Common embedded Linux development tools (i.e. compilers, linkers and debuggers) and Linux subsystems.
• Wireless telecommunications and cellular radio systems standards (FDMA,TDMA).
• Understanding of measurements related to digital communication systems: BLER, EVM, Bathtub Curves, Channel simulations.
• Understanding of RF paths: Gain, Return Loss, Noise Figure, Sensitivity, RF Power, Spectral Emissions, IP3, IP2, Phase Noise.

Responsibilities

• Develops test solutions to validate system and module level requirements and specifications.
• Tests digital, analog, RF and power circuits
• Generates required design documentation for test procedures and
• Validates and debugs product performance through test and analysis at the component, module and system level.
• Performs other duties as assigned.
• Develops relationships with team members built on trust and respect.
• Design, maintain, and deploy an automated scripting environment and test sequencer.
• Create and document programming APIs to facilitate rapid development of automated tests.
• Create user interfaces that enable easy access to device capabilities.
• Develop, document, and execute automated test scripts that characterize key parameters.
• Perform data analysis to diagnose performance issues.
• Contribute to process improvement and planning of the ATE Test Team.
• Support systems engineering of TrellisWare proprietary technologies.
• Programming in VB.NET, C#, and Python in a product development environment.
• Test infrastructure development to include APIs, interfaces, data collection, and data post processing.
• Operate and program test equipment (spectrum analyzers, oscilloscopes, signal generators, etc.).
• Automated test case design and execution.
• Develop test plans from engineering designs and develop supporting test code and database.

Skills

Windows

Linux

Python

C/C++

VB.NET

C#

Embedded Linux

Test automation

Data analysis

Strong communication

Education

BSEE

BSCS

BS Physics

equivalent

Tools

Python

C/C++

VB.NET

C#

Linux

Windows

Job description

TrellisWare Technologies, located in San Diego, CA, seeks a Characterization Engineer to design and implement test solutions validating radio hardware before release to production. You will code automation, test digital/analog/RF circuits, analyze results, and collaborate with the design team to improve testability and yield.

The role requires proficiency in Windows/Linux, Python/C/C++, and experience with embedded Linux; knowledge of RF systems and test equipment is essential.